20402+5427 A  1682

 
 
20h 40m 13.42s +54 27' 09.7" P.A. 49.00 sep 1.4 mag 9.67,10.90 Sp B5 dist. 775.19 pc (2528.67 l.y.)
 
 
Coord 2000
20402+5427
Discov num
A  1682
Comp
Coord arcsec 2000
20 40 13.42 +54 27 09.7
Date first
1907
Date last
2009
Obs
10
Pa first
49
Pa last
49
P.A. Now (θ)
49°
Sep first
1.1
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
9.67
Mag sec
10.90
delta mag (ΔM)
1.23
Spectral class
B5 (blue-white)
Pri motion ra
-006
Sec motion ra
-006
Pri motion dec
-007
Sec motion dec
-007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
48.5
Precise sep
1.36
Constellation
Cygnus
SAO
32788
HIP
102002
Tycho2
3955-00257-1
Gaia DR2
68036319744
HD
235317
BD
BD+53 2459
Distance
775.19
Distance ly
2528.67
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20402+5427 A 1682 1995 9 53 1.3 9.67 10.90 B5 D 204013.42+542709.7

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